Custom Products Combat Classic .685 20" Barrel Tippmann A 5, X7 Speedfeeds The unique design of this Color:Prolific (Black) The unique design of this on off asa allows the screws to pass through the middle of this part If you are looking to build a DMR Sniper build in a airsoft replica that uses the version 2 gearbox look no further then this solid gearbox The entire barrel has been "fluted" and has superior porting to reduce noise and improve accuracy The Combat Classic Barrel is machined and honed to the same exacting standards as the Combat Pro System but does not have the interchangeable tip or optional hand guard thread adapter